1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
|
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity testcase is
port (
misc_sel : in std_ulogic_vector(3 downto 0);
result : out std_ulogic_vector(63 downto 0)
);
end entity testcase;
architecture behaviour of testcase is
begin
testcase_0: process(all)
variable misc : std_ulogic_vector(63 downto 0);
begin
case misc_sel is
when "1101" =>
misc := x"FFFFFFFF00000000";
--misc := x"FFFFFFFF80000000";
when others =>
misc := x"0000000000000000";
end case;
result <= misc;
end process;
end architecture behaviour;
|